Gas-burner



A. B. SHARP.

GAS BURNER.

APPLICATION FILED ocT. 27, |920.

Patented Aug. 23, 1921.

53m/vanto@ Aing twin holes.

Pinlfzrrd OFFICE.

ALEXANDER B. smnor STEUBENVILLE, oHIo.

` Gas-BURNER.

specification of Lettersratent; f Patented Aug. 23, 1921.

Application led October 27,1920. Serial No. 420,037.

To all whom4 it may concern:

Be it known that I, ALEXANDER B. SHARP, citizen of the United States, residing at Steubenville, in the county of J eferson and State of Ohio, have invented certain new and useful Improvements in Gas Burners, of which the following is a specification.

This invention relates to a gas burner which is so constructed that, under all conditions. a uniform pressure of gas is supplied to all the burner tips, thus insuring an equal heat throughout the extent of the burner area.

The burner is also so arranged that each of the burner spuds carries twin holes for the outlet of the airand gas, thus providing an arrangement which is exceedingly satisfactory for the production of a maximum amount of heat with a minimum consumption and a minimum size of burner.

More specifically, the,burner consists of a loop, one leg of which is provided with a series of alining burner spuds each carry- One leg of the loop constitutes the admission passage for the gas and air while the other leg of the loop and the bend constitute a mixing and distributing chamber whereby a uniform pressure of gas is. under all conditions, delivered to the twin holes of each burner spud regardless of their respective positions on the leg yconstituting the mixing and delivery or distributing chamber.

In the drawings:

' Figure 1 is a longitudinal section through the burner .in a vertical plane,

Fig. 2 is a top plan view, fragmentary,

Fig. 3 is a transverse vertical section on the line 3-3 of Fig. 1.

In detail: y'

The burner, in the preferred form herein illustrated, is a single unitcasting in the form of a loop having legs 1 and 2 which are connected atfone end by the loop portion or bend 3 and are supported in spaced relation at the other end by the web 4. These two legs while of uniform width. in a transverse plane. vary in cross sectional area in a vertical plane, the leg 1 increasing in vertical width toward. the bend 3 and constituting the admission leg of the burner, and the leg 2 decreasing in width in a vertical plane in a direction away from the bend 3, the bend 3 being larger in cross sectional ,area than either of the legs mentioned at their largest point. The upper surface of the leg 2 is formed into a burner face 5 carrying a series of spuds 6 of the form shown in Fig. 2, .and each having two or more holes 7 for the outlet of t-he mixture of the air and gas, the

air and gas beingmixed at the entrance to the leg 1 by the use 0f a suitable mixing valve A which does not constitute a part of the present invention except so far as-it is combined with the remainder of the burner. At each end of the burner face is a lug 8 having a hole 9 which provides for fastening the burner in place in any suitable location such as a fire-place, stove, or the like.

In operation;

The air and gas enter at the admission end of the leg 1 and during their passage through the leg 1 and around the enlarged bend 3 and into the distributing chamber 2 become thoroughly commingled, the passage of the mixed air and gas being regulated throughout its course to the twin holes of the burner spuds by reason of the variation in area of the legs 1 and 2 coupled with the enlarged area of the bend 3. In this manner, a uniform pressure is obtained at all of the burner outlets or holes with the result that maximum heat is obtained with a minimum consumption of gas and a small burner propor- -tionate to the production of heat.

Having thus described the invention, what is claimed as new is:

A gas burner consisting of a single integral casting and including a lower leg having an inlet opening at one end, the cross sectional area of the leg progressively in creasing from said inlet end to the opposite end, a' vertically disposed return bend leading upwardly from the end of the lower leg remote from the inlet end. an'upper leg extending from the bend longitudinally over 4 the lower leg and progressively decreasing in cross sectional area from the. bend, a channeled burner face extending along the upper Vside of the upper leg and open through its 

